/*
 * Copyright 2007 Dan Hodge
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.datajanitor.baja;

import java.util.Stack;

import net.datajanitor.baja.spi.FileTreeBuilder;

class BoxConnectionFileTreeBuilder implements FileTreeBuilder {
    private BoxFileInfoImpl rootNode;
    private final Stack<BoxFileInfoImpl> dirStack;
    private final BoxConnection connection;
    
    private BoxFileInfoImpl curNode() {
        return (this.dirStack.isEmpty()) ? null : this.dirStack.peek(); 
    }
    
    BoxConnectionFileTreeBuilder(final BoxConnection connection) { 
        this.rootNode = null;
        this.dirStack = new Stack<BoxFileInfoImpl>();
        this.connection = connection;
    }
    
    BoxFileInfoImplTree getTree() {
        return new BoxFileInfoImplTree(this.rootNode);
    }
    
    public void onDirectory(int dirId, int parentDirId, String dirName, boolean shared) {
        BoxFileInfoImpl newNode = BoxFileInfoImpl.newDirectory(curNode(), this.connection, dirId, dirName);
        
        if (curNode() != null) {
            curNode().addChild(newNode);
        } else {
            this.rootNode = newNode;
        }
        
        this.dirStack.push(newNode);
    }
    
    public void onEndDirectory(int dirId) {
        this.dirStack.pop();    
    }

    public void onFile(int fileId, int parentDirId, String fileName, String keyword, boolean shared, int size, long created, long updated) {
        BoxFileInfoImpl newNode = BoxFileInfoImpl.newFile(curNode(), this.connection, fileId, fileName);
        curNode().addChild(newNode);
    }

    public void onTag(int tagId) {
    }
}
